Overview
overview
3Static
static
3ybkTest/Ne...on.dll
windows7-x64
1ybkTest/Ne...on.dll
windows10-2004-x64
1ybkTest/SS...er.dll
windows7-x64
3ybkTest/SS...er.dll
windows10-2004-x64
3ybkTest/SSSE32.dll
windows7-x64
1ybkTest/SSSE32.dll
windows10-2004-x64
1ybkTest/SendRcv4.dll
windows7-x64
3ybkTest/SendRcv4.dll
windows10-2004-x64
3ybkTest/mfc100.dll
windows7-x64
1ybkTest/mfc100.dll
windows10-2004-x64
1ybkTest/mfc100u.dll
windows7-x64
1ybkTest/mfc100u.dll
windows10-2004-x64
1ybkTest/msvcr100.dll
windows7-x64
3ybkTest/msvcr100.dll
windows10-2004-x64
3ybkTest/ybkTest.exe
windows7-x64
1ybkTest/ybkTest.exe
windows10-2004-x64
1Analysis
-
max time kernel
142s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
07/11/2023, 07:41
Static task
static1
Behavioral task
behavioral1
Sample
ybkTest/Newtonsoft.Json.dll
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
ybkTest/Newtonsoft.Json.dll
Resource
win10v2004-20231023-en
Behavioral task
behavioral3
Sample
ybkTest/SSCardDriver.dll
Resource
win7-20231020-en
Behavioral task
behavioral4
Sample
ybkTest/SSCardDriver.dll
Resource
win10v2004-20231023-en
Behavioral task
behavioral5
Sample
ybkTest/SSSE32.dll
Resource
win7-20231023-en
Behavioral task
behavioral6
Sample
ybkTest/SSSE32.dll
Resource
win10v2004-20231023-en
Behavioral task
behavioral7
Sample
ybkTest/SendRcv4.dll
Resource
win7-20231025-en
Behavioral task
behavioral8
Sample
ybkTest/SendRcv4.dll
Resource
win10v2004-20231020-en
Behavioral task
behavioral9
Sample
ybkTest/mfc100.dll
Resource
win7-20231020-en
Behavioral task
behavioral10
Sample
ybkTest/mfc100.dll
Resource
win10v2004-20231023-en
Behavioral task
behavioral11
Sample
ybkTest/mfc100u.dll
Resource
win7-20231023-en
Behavioral task
behavioral12
Sample
ybkTest/mfc100u.dll
Resource
win10v2004-20231020-en
Behavioral task
behavioral13
Sample
ybkTest/msvcr100.dll
Resource
win7-20231025-en
Behavioral task
behavioral14
Sample
ybkTest/msvcr100.dll
Resource
win10v2004-20231023-en
Behavioral task
behavioral15
Sample
ybkTest/ybkTest.exe
Resource
win7-20231020-en
Behavioral task
behavioral16
Sample
ybkTest/ybkTest.exe
Resource
win10v2004-20231023-en
General
-
Target
ybkTest/msvcr100.dll
-
Size
755KB
-
MD5
bf38660a9125935658cfa3e53fdc7d65
-
SHA1
0b51fb415ec89848f339f8989d323bea722bfd70
-
SHA256
60c06e0fa4449314da3a0a87c1a9d9577df99226f943637e06f61188e5862efa
-
SHA512
25f521ffe25a950d0f1a4de63b04cb62e2a3b0e72e7405799586913208bf8f8fa52aa34e96a9cc6ee47afcd41870f3aa0cd8289c53461d1b6e792d19b750c9a1
-
SSDEEP
12288:yMmCy3nAgPAxN9ueqix/HEmxsvGrif8ZSy+rdQw2QRAtd74/vmYK6H3BV0eAI:dmCy3KxW3ixPEmxsvGrm8Z6r+JQPzV4I
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 1816 1632 WerFault.exe 86 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1068 wrote to memory of 1632 1068 rundll32.exe 86 PID 1068 wrote to memory of 1632 1068 rundll32.exe 86 PID 1068 wrote to memory of 1632 1068 rundll32.exe 86
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ybkTest\msvcr100.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1068 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ybkTest\msvcr100.dll,#12⤵PID:1632
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1632 -s 6003⤵
- Program crash
PID:1816
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1632 -ip 16321⤵PID:4912